Hi lottie1
I'm afraid, we have no knowledge of how long tribunals are taking in any part of the country. There is an overall headline of 52 weeks, but if you want to know for your specific area, you would need to contact them:
In Derby, Personal Independence Payment (PIP) tribunals are handled by the Derby Social Security and Child Support Tribunal.Location:Derby Justice Centre,St Marys Gate,Derby,Derbyshire,DE1 3JR.Contact Information:Phone: 0300 123 0736 or 0300 123 1142
BIS
Nothing on this board constitutes legal advice - always consult a professional about specific problems